×80=
60÷=
3.4﹣1.52=
0.25×44=
6.12+3.78=
35×=
0.25×24×4=
×+×=
4.25+5.75=
10﹣0.01=
0.8×0.4=
105×4=
27+68=
× =
72÷ =
6.3+0.1=
398×5≈
538÷9≈
1.5×1= 910÷70= 2.2﹣1.9= 6÷7= 435+199=
+= -= ÷= 20×= ×=
1÷0.25= += ×24= +=
﹣= 470×0.02= 10÷= 6×0=
1.5×80= ÷2= ×= ÷0.125=